"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 防篡改
Case Name   : 管理员无权修改independent用户表的OWNER
Create At   : 2022/3/29
Owner       : opentestcase012
Description :
    1.设置参数并重启数据库enableseparationofduty=off
    2.创建independent和sysadmin用户
    3.切换independent角色,创建表
    4.切换sysadmin角色,修改independent用户表的owner
    5.超级用户修改independent用户表的owner
    6.查看表结构
    7.清理环境
Expect      :
    1.成功
    2.成功
    3.成功
    4.合理报错
    5.合理报错
    6.成功
    7.清理环境成功
History     :
"""

import os
import unittest

from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger
from yat.test import macro


class Security(unittest.TestCase):
    def setUp(self):
        self.log = Logger()
        self.log.info(f'-----{os.path.basename(__file__)} start-----')
        self.pri_sh = CommonSH('PrimaryDbUser')
        self.constant = Constant()
        self.common = Common()
        self.u_name = 'u_security_indenpendentuser_0032'
        self.u_name_01 = 'u_security_indenpendentuser_0032_01'
        self.u_name_02 = 'u_security_indenpendentuser_0032_02'
        self.t_name = 't_security_indenpendentuser_0032'
        self.default_value1 = self.common.show_param('enableSeparationOfDuty')

    def test_security(self):
        text = '-----step1：设置参数并重启数据库enableSeparationOfDuty=off; ' \
               'expect:成功-----'
        self.log.info(text)
        if self.default_value1 != 'off':
            mod_msg = self.pri_sh.execute_gsguc('set',
                                                self.constant.GSGUC_SUCCESS_MSG,
                                                'enableSeparationOfDuty=off')
            self.assertTrue(mod_msg, '执行失败:' + text)
            result = self.pri_sh.restart_db_cluster()
            self.assertTrue(result, '执行失败' + text)

        text = '-----step2：创建independent和sysadmin用户 expect:成功-----'
        self.log.info(text)
        create_cmd = f"drop user if exists {self.u_name}," \
            f"{self.u_name_01},{self.u_name_02} cascade; " \
            f"create user {self.u_name} independent password " \
            f"'{macro.COMMON_PASSWD}';" \
            f"create user {self.u_name_01} independent password " \
            f"'{macro.COMMON_PASSWD}';" \
            f"create user {self.u_name_02} sysadmin " \
            f"password '{macro.COMMON_PASSWD}';"
        msg = self.pri_sh.execut_db_sql(create_cmd)
        self.log.info(msg)
        self.assertIn(self.constant.DROP_ROLE_SUCCESS_MSG, msg,
                      '执行失败:' + text)
        self.assertEqual(3, msg.count(self.constant.CREATE_ROLE_SUCCESS_MSG),
                         '执行失败:' + text)

        text = '-----step3：切换independent角色,创建表; expect:成功-----'
        self.log.info(text)
        sql_cmd = f"create table {self.t_name}(id int,address text);"
        connect = f'-U {self.u_name} -W {macro.COMMON_PASSWD}'
        msg = self.pri_sh.execut_db_sql(sql_cmd, sql_type=connect)
        self.log.info(msg)
        self.assertIn(self.constant.CREATE_TABLE_SUCCESS, msg, '执行失败:' + text)

        text = '-----step4：切换sysadmin角色,修改independent用户表的owner; ' \
               'expect:合理报错-----'
        self.log.info(text)
        sql_cmd = f"alter table {self.u_name}.{self.t_name} " \
            f"owner to {self.u_name_01};"
        connect = f'-U {self.u_name_02} -W {macro.COMMON_PASSWD}'
        msg = self.pri_sh.execut_db_sql(sql_cmd, sql_type=connect)
        self.log.info(msg)
        self.assertIn(f'ERROR:  must be owner of relation {self.t_name}', msg,
                      '执行失败:' + text)

        text = '-----step5：超级用户修改independent用户表的owner; expect:合理报错-----'
        self.log.info(text)
        msg = self.pri_sh.execut_db_sql(sql_cmd)
        self.log.info(msg)
        self.assertIn(f'ERROR:  must be owner of relation {self.t_name}', msg,
                      '执行失败:' + text)

        text = '-----step6：查看表结构; expect:成功-----'
        self.log.info(text)
        sql_cmd = f"\d {self.u_name}.{self.t_name}"
        msg = self.pri_sh.execut_db_sql(sql_cmd)
        self.log.info(msg)
        self.assertIn('id      | integer', msg, '执行失败:' + text)
        self.assertIn('address | text', msg, '执行失败:' + text)

    def tearDown(self):
        self.log.info('-----step7：清理环境-----')
        text1 = '-----删除用户 expect:成功-----'
        self.log.info(text1)
        drop_cmd = f"drop user if exists {self.u_name}," \
            f"{self.u_name_01} cascade;"
        drop_msg = self.pri_sh.execut_db_sql(drop_cmd)
        self.log.info(drop_msg)

        text2 = '-----修改参数enableSeparationOfDuty为初始值 expect:成功-----'
        self.log.info(text2)
        mod_msg1 = self.pri_sh.execute_gsguc('set',
                                             self.constant.GSGUC_SUCCESS_MSG,
                                             f'enableSeparationOfDuty='
                                             f'{self.default_value1}')
        restart_res = self.pri_sh.restart_db_cluster()

        self.log.info('-----断言tearDown执行成功-----')
        self.assertIn(self.constant.DROP_ROLE_SUCCESS_MSG, drop_msg,
                      '执行失败:' + text1)
        self.assertTrue(mod_msg1, '执行失败:' + text2)
        self.assertTrue(restart_res, '执行失败:' + text2)
        self.log.info(f'-----{os.path.basename(__file__)} end-----')
